1. creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant

    Synonyms : fecundation, fertilisation, fertilization
    Type Of : creation, conception
  2. the process of totally saturating something with a substance

    Synonyms : saturation
    Type Of : suffusion, permeation, pervasion
    Examples :
    • the impregnation of wood with preservative
  3. material with which something is impregnated

    Type Of : material, stuff
    Examples :
    • the impregnation, whatever it was, had turned the rock blue